Finding the Fourth Proportional to 320,189,398.24, 480,279,025.68 and 101,836,588
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Solution
The fourth proportional to 320,189,398.24, 480,279,025.68 and 101,836,588 is: 152,753,268.95
Step by Step Solution
- Step 1: Write the proportion equation
320,189,398.24 : 480,279,025.68 = 101,836,588 : x - Step 2: Convert to fraction form
320,189,398.24/480,279,025.68 = 101,836,588/x - Step 3: Cross multiply
320,189,398.24x = 480,279,025.68 × 101,836,588 - Step 4: Simplify right side
320,189,398.24x = 48,909,977,263,215,584 - Step 5: Solve for x
x = 48,909,977,263,215,584/320,189,398.24 - Step 6: Final answer
x = 152,753,268.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.